package com.tedu;

public class Test001 {
    public static void main (String[] args) {
        System.out.println(123);
        int a = 10;//作用域
        f1(a);
        System.out.println(666);
    }

    public static void f1 (int a) {
        System.out.println(a);
        System.out.println(555);
    }


}
